12251671 has 2 divisors, whose sum is σ = 12251672. Its totient is φ = 12251670.

The previous prime is 12251653. The next prime is 12251677. The reversal of 12251671 is 17615221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12251671 - 2¹⁷ = 12120599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12251677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125835 + 6125836.

It is an arithmetic number, because the mean of its divisors is an integer number (6125836).

Almost surely, 2^12251671 is an apocalyptic number.

12251671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12251671 is an equidigital number, since it uses as much as digits as its factorization.

12251671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 25.

The square root of 12251671 is about 3500.2387061456. The cubic root of 12251671 is about 230.5322958121.

Adding to 12251671 its reverse (17615221), we get a palindrome (29866892).

The spelling of 12251671 in words is "twelve million, two hundred fifty-one thousand, six hundred seventy-one".